This is a pinback from the now defunct "Chevy's Restaurant & Bar" which was located on Karwick Road on the borderline of Michigan City and the Town of Long Beach in northern Indiana. - The restaurant operated in the 1980's and had the "doghouse" of an actual '57 Chevy Bel-Air mounted on the wall above the bar area. - Diameter 1 3/4" and says "I Heart Chevy's"